<template>

  <div style="padding: 10px">
<!--    功能区域-->
    <div style="margin: 10px 0">
      <el-button type="primary" @click="add">新增</el-button>
      <el-button type="primary">导入</el-button>
      <el-button type="primary">导出</el-button>
    </div>

    <!-- 搜索区域 -->
    <div style="magin: 10px 0">
      <el-input v-model="search" placeholder="请输入关键词" style="width: 30%" clearable></el-input>
      <el-button type="primary" style="margin-left: 5px" @click="load">查询</el-button>
    </div>
    <el-table
        :data="tableData"
        border
        stripe
        style="width: 100%">
      <el-table-column
          prop="id"
          label="ID"
          sortable
      >
      </el-table-column>
      <el-table-column
          prop="username"
          label="姓名">
      </el-table-column>
      <el-table-column
          prop="nickName"
          label="昵称">
      </el-table-column>
        <el-table-column
            prop="age"
            label="年龄">
        </el-table-column>
        <el-table-column
            prop="sex"
            label="性别">
        </el-table-column>
        <el-table-column
            prop="address"
            label="地址">
        </el-table-column>

        <el-table-column label="操作" >
          <template #default="scope">
            <el-button @click="handleEdit(scope.row)" size="mini" color="turquoise">编辑</el-button>
                <el-popconfirm title="确认删除吗？" @confirm="handleDelete(scope.row.id)">
                     <template #reference>
                <el-button size="mini" type="danger">删除</el-button>
              </template>
        </el-popconfirm>
      </template>
    </el-table-column>
    </el-table>

    <div style="margin: 10px 0">
      <el-pagination
              :current-page="currentPage"
              :page-sizes="[5, 10,20]"
              :disabled="disabled"
              :background="background"
              layout="total, sizes, prev, pager, next, jumper"
              :total="total"
              :page-size="pageSize"
              @size-change="handleSizeChange"
              @current-change="handleCurrentChange">
      </el-pagination>

      <el-dialog title="提示" v-model="dialogVisible" width="30%">
          <el-form :model="form" lable-width="120px">
              <el-form-item label="用户名">
                  <el-input v-model="form.username" style="width: 80%"></el-input>
              </el-form-item>
              <el-form-item label="昵称">
                  <el-input v-model="form.nickName" style="width: 80%"></el-input>
              </el-form-item>
              <el-form-item label="年龄">
                  <el-input type="" v-model="form.age" style="width: 80%"></el-input>
              </el-form-item>
              <el-form-item label="性别">
                  <el-radio v-model="form.sex" label="男">男</el-radio>
                  <el-radio v-model="form.sex" label="女">女</el-radio>
                  <el-radio v-model="form.sex" label="未知">未知</el-radio>
              </el-form-item>
              <el-form-item label="地址">
                  <el-input type="textarea" v-model="form.address" style="width: 80%"></el-input>
              </el-form-item>
          </el-form>
          <template #footer>
              <span class="dialog-footer">
                  <el-button @click="dialogVisible=false">取消</el-button>
                  <el-button type="primary" @click="save">确定</el-button>
              </span>
          </template>
      </el-dialog>
    </div>
  </div>
</template>

<script>



import request from "../utils/request";

export default {
  name: 'HomeView',
  components: {
  
  },
  data(){
    return{
      form: {},
      dialogVisible: false,
      search:'',
      total: 0,
      currentPage:1,
      pageSize:10,
      tableData:[]
    }
  },
    //注意这里的created是写在methods外面的，前端基础没有容易出问题的。
    created(){
        this.load()
    },
  methods:{
    handleEdit(row){
        this.form = JSON.parse(JSON.stringify(row))
        this.dialogVisible = true

    },
    handleSizeChange(pageSize){ //改变当前每页的个数触发
        this.pageSize = pageSize;
        this.load()
    },
    handleCurrentChange(pageNum){  //改变当前页码触发
        this.currentPage = pageNum;
        this.load()
    },

    handleDelete(id){

        request.delete("http://localhost:9090/user/"+id).then(res=> {
            if (res.code === '0'){
                this.$message({
                    type:"success",
                    message:"删除成功"
                })
            } else {
                this.$message({
                    type:"error",
                    message: res.msg
                })
            }
            this.load()     //一般对表的操作都不要忘记加载一下页面
        })
    },
    add(){
        this.dialogVisible= true;
        this.form = {}

    },
    //  提交要保存的数据
    save(){
        if(this.form.id){   //有id存在则更新
            request.put("http://localhost:9090/user",this.form).then(res =>{
                console.log(res)
                //下面三个等于号是值和类型都相等的意思
                if (res.code === '0'){
                    this.$message({
                        type:"success",
                        message:"更新成功"
                    })
                } else {
                    this.$message({
                        type:"error",
                        message: res.msg
                    })
                }
                //更新成功后要刷新一下主页
                this.load()
                //关闭弹窗
                this.dialogVisible = false
            })
        }   else{           //无id存在则新建
            request.post("http://localhost:9090/user",this.form).then(res =>{
                console.log(res)
                if (res.code === '0'){
                    this.$message({
                        type:"success",
                        message:"新增成功"
                    })
                } else {
                    this.$message({
                        type:"error",
                        message: res.msg
                    })
                }
                //新增成功后要刷新一下主页。和上面类似
                this.load()
                //关闭弹窗
                this.dialogVisible = false
            })
        }
    },
    load(){
        request.get("http://localhost:9090/user",{
            params:{
                pageNum: this.currentPage,
                pageSize: this.pageSize,
                search: this.search
            }
        }).then(res=> {
            console.log(res)
            this.tableData = res.data.records
            this.total = res.data.total
        })
    },
  }
}
</script>
